Boron nitride heat-conducting material with three-dimensional network structure as well as preparation and application of boron nitride heat-conducting material
The invention relates to a boron nitride heat conduction material with a three-dimensional network structure and preparation and application thereof.The preparation method comprises the steps that 1, chitosan and a polyacrylic acid solution are dropwise added into a boron nitride solution, stirring...
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| creator | LU FUSHEN WU HUOBAO JI MUWEI YUAN SHAN CHEN SHENG XIA HONG ZHOU YIXUAN |
| description | The invention relates to a boron nitride heat conduction material with a three-dimensional network structure and preparation and application thereof.The preparation method comprises the steps that 1, chitosan and a polyacrylic acid solution are dropwise added into a boron nitride solution, stirring is conducted for 30 min to 60 min in an oil bath at 85 DEG C, and the mixture is placed in a normal-temperature water bath to be stirred for 3 h to 4 h; (2) performing dispersion treatment in a planetary dispersion machine, performing ultrasonic treatment in an ultrasonic cleaning machine for 20-30 minutes, uniformly extruding the hydrogel by using extrusion equipment, performing ice assembly for 10-20 minutes in a freezing chamber of a refrigerator at-18 DEG C to-22 DEG C, unfreezing the film in ethanol, performing solvent exchange in acetone, finally taking out the film, and performing drying at 65 DEG C under normal pressure in a drying oven. The boron nitride heat conduction material has a three-dimensional net |
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| subjects | ADHESIVES AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DYES GENERAL PROCESSES OF COMPOUNDING MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP |
| title | Boron nitride heat-conducting material with three-dimensional network structure as well as preparation and application of boron nitride heat-conducting material |
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